Finding the Fourth Proportional to 207,405.23, 311,293.28 and 106,272.28
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Solution
The fourth proportional to 207,405.23, 311,293.28 and 106,272.28 is: 159,503.43
Step by Step Solution
- Step 1: Write the proportion equation
207,405.23 : 311,293.28 = 106,272.28 : x - Step 2: Convert to fraction form
207,405.23/311,293.28 = 106,272.28/x - Step 3: Cross multiply
207,405.23x = 311,293.28 × 106,272.28 - Step 4: Simplify right side
207,405.23x = 33,081,846,614.28 - Step 5: Solve for x
x = 33,081,846,614.28/207,405.23 - Step 6: Final answer
x = 159,503.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.